Finding the Fourth Proportional to 255,032.49, 351,930.74 and 141,847.95
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Solution
The fourth proportional to 255,032.49, 351,930.74 and 141,847.95 is: 195,742.33
Step by Step Solution
- Step 1: Write the proportion equation
255,032.49 : 351,930.74 = 141,847.95 : x - Step 2: Convert to fraction form
255,032.49/351,930.74 = 141,847.95/x - Step 3: Cross multiply
255,032.49x = 351,930.74 × 141,847.95 - Step 4: Simplify right side
255,032.49x = 49,920,654,010.98 - Step 5: Solve for x
x = 49,920,654,010.98/255,032.49 - Step 6: Final answer
x = 195,742.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.